public static string EncodeContextAsHttpSetCookieHeader(ContextMessageProperty context, Uri uri)
{
if (uri == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("uri");
}
if (context == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("context");
}
MemoryStream stream = new MemoryStream();
XmlWriterSettings writerSettings = new XmlWriterSettings();
writerSettings.OmitXmlDeclaration = true;
XmlWriter writer = XmlWriter.Create(stream, writerSettings);
ContextMessageHeader contextHeader = new ContextMessageHeader(context.Context);
contextHeader.WriteHeader(writer, MessageVersion.Default);
writer.Flush();
string result = string.Format(
CultureInfo.InvariantCulture,
"{0}=\"{1}\";Path={2}",
HttpCookieToolbox.ContextHttpCookieName,
Convert.ToBase64String(stream.GetBuffer(), 0, (int)stream.Length),
uri.AbsolutePath);
return result;
}
public void GetListenAddressAndContext(out EndpointAddress listenAddress, out IDictionary <string, string> context)
{
// we expect the callback address to be already set when this is called
if (this.CallbackAddress == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("callbackaddress");
}
EndpointAddressBuilder builder = new EndpointAddressBuilder(this.CallbackAddress);
AddressHeader contextHeader = null;
int contextHeaderIndex = -1;
for (int i = 0; i < builder.Headers.Count; ++i)
{
if (builder.Headers[i].Name == ContextMessageHeader.ContextHeaderName && builder.Headers[i].Namespace == ContextMessageHeader.ContextHeaderNamespace)
{
if (contextHeader != null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ProtocolException(SR.GetString(SR.MultipleContextHeadersFoundInCallbackAddress)));
}
contextHeader = builder.Headers[i];
contextHeaderIndex = i;
}
}
if (contextHeader != null)
{
builder.Headers.RemoveAt(contextHeaderIndex);
}
context = (contextHeader != null) ? ContextMessageHeader.ParseContextHeader(contextHeader.GetAddressHeaderReader()).Context : null;
listenAddress = builder.ToEndpointAddress();
}
public static string EncodeContextAsHttpSetCookieHeader(ContextMessageProperty context, Uri uri)
{
if (uri == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("uri");
}
if (context == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("context");
}
MemoryStream stream = new MemoryStream();
XmlWriterSettings writerSettings = new XmlWriterSettings();
writerSettings.OmitXmlDeclaration = true;
XmlWriter writer = XmlWriter.Create(stream, writerSettings);
ContextMessageHeader contextHeader = new ContextMessageHeader(context.Context);
contextHeader.WriteHeader(writer, MessageVersion.Default);
writer.Flush();
string result = string.Format(
CultureInfo.InvariantCulture,
"{0}=\"{1}\";Path={2}",
HttpCookieToolbox.ContextHttpCookieName,
Convert.ToBase64String(stream.GetBuffer(), 0, (int)stream.Length),
uri.AbsolutePath);
return(result);
}
public void GetListenAddressAndContext(out EndpointAddress listenAddress, out IDictionary <string, string> context)
{
if (this.CallbackAddress == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("callbackaddress");
}
EndpointAddressBuilder builder = new EndpointAddressBuilder(this.CallbackAddress);
AddressHeader header = null;
int index = -1;
for (int i = 0; i < builder.Headers.Count; i++)
{
if ((builder.Headers[i].Name == "Context") && (builder.Headers[i].Namespace == "http://schemas.microsoft.com/ws/2006/05/context"))
{
if (header != null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ProtocolException(System.ServiceModel.SR.GetString("MultipleContextHeadersFoundInCallbackAddress")));
}
header = builder.Headers[i];
index = i;
}
}
if (header != null)
{
builder.Headers.RemoveAt(index);
}
context = (header != null) ? ContextMessageHeader.ParseContextHeader(header.GetAddressHeaderReader()).Context : null;
listenAddress = builder.ToEndpointAddress();
}
private ContextMessageProperty OnReceiveSoapContextHeader(Message message)
{
ContextMessageProperty contextFromHeaderIfExists = ContextMessageHeader.GetContextFromHeaderIfExists(message);
if ((contextFromHeaderIfExists != null) && DiagnosticUtility.ShouldTraceVerbose)
{
TraceUtility.TraceEvent(TraceEventType.Verbose, 0xf0006, System.ServiceModel.SR.GetString("TraceCodeContextProtocolContextRetrievedFromMessage"), this);
}
return(contextFromHeaderIfExists);
}
ContextMessageProperty OnReceiveSoapContextHeader(Message message)
{
ContextMessageProperty messageProperty = ContextMessageHeader.GetContextFromHeaderIfExists(message);
if (messageProperty != null)
{
if (DiagnosticUtility.ShouldTraceVerbose)
{
TraceUtility.TraceEvent(System.Diagnostics.TraceEventType.Verbose,
TraceCode.ContextProtocolContextRetrievedFromMessage, SR.GetString(SR.TraceCodeContextProtocolContextRetrievedFromMessage),
this);
}
}
return(messageProperty);
}
public static bool TryCreateFromHttpCookieHeader(string httpCookieHeader, out ContextMessageProperty context)
{
if (httpCookieHeader == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("httpCookieHeader");
}
context = null;
foreach (string token in httpCookieHeader.Split(';'))
{
string trimmedToken = token.Trim();
if (trimmedToken.StartsWith(HttpCookieToolbox.ContextHttpCookieName, StringComparison.Ordinal))
{
int equalsSignIndex = trimmedToken.IndexOf('=');
if (equalsSignIndex < 0)
{
context = new ContextMessageProperty();
break;
}
if (equalsSignIndex < (trimmedToken.Length - 1))
{
string value = trimmedToken.Substring(equalsSignIndex + 1).Trim();
if (value.Length > 1 && (value[0] == '"') && (value[value.Length - 1] == '"'))
{
value = value.Substring(1, value.Length - 2);
}
try
{
context = ContextMessageHeader.ParseContextHeader(
XmlReader.Create(new MemoryStream(Convert.FromBase64String(value))));
break;
}
catch (SerializationException e)
{
DiagnosticUtility.TraceHandledException(e, TraceEventType.Warning);
}
catch (ProtocolException pe)
{
DiagnosticUtility.TraceHandledException(pe, TraceEventType.Warning);
}
}
}
}
return(context != null);
}
public override T GetProperty <T>(BindingContext context)
{
if (context == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("context");
}
if (typeof(T) == typeof(ChannelProtectionRequirements) && this.ProtectionLevel != ProtectionLevel.None)
{
ChannelProtectionRequirements innerRequirements = context.GetInnerProperty <ChannelProtectionRequirements>();
if (innerRequirements == null)
{
return((T)(object)ContextMessageHeader.GetChannelProtectionRequirements(this.ProtectionLevel));
}
else
{
ChannelProtectionRequirements requirements = new ChannelProtectionRequirements(innerRequirements);
requirements.Add(ContextMessageHeader.GetChannelProtectionRequirements(this.ProtectionLevel));
return((T)(object)requirements);
}
}
else if (typeof(T) == typeof(IContextSessionProvider))
{
return((T)(object)this);
}
else if (typeof(T) == typeof(IContextBindingElement))
{
return((T)(object)this);
}
else if (typeof(T) == typeof(ICorrelationDataSource))
{
ICorrelationDataSource correlationData = instanceCorrelationData;
if (correlationData == null)
{
ICorrelationDataSource innerCorrelationData = context.GetInnerProperty <ICorrelationDataSource>();
correlationData = CorrelationDataSourceHelper.Combine(innerCorrelationData, ContextExchangeCorrelationDataDescription.DataSource);
instanceCorrelationData = correlationData;
}
return((T)(object)correlationData);
}
return(context.GetInnerProperty <T>());
}
public static bool TryCreateFromHttpCookieHeader(string httpCookieHeader, out ContextMessageProperty context)
{
if (httpCookieHeader == null)
{
throw System.ServiceModel.DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("httpCookieHeader");
}
context = null;
foreach (string str in httpCookieHeader.Split(new char[] { ';' }))
{
string str2 = str.Trim();
if (str2.StartsWith("WscContext", StringComparison.Ordinal))
{
int index = str2.IndexOf('=');
if (index < 0)
{
context = new ContextMessageProperty();
break;
}
if (index < (str2.Length - 1))
{
string s = str2.Substring(index + 1).Trim();
if (((s.Length > 1) && (s[0] == '"')) && (s[s.Length - 1] == '"'))
{
s = s.Substring(1, s.Length - 2);
}
try
{
context = ContextMessageHeader.ParseContextHeader(XmlReader.Create(new MemoryStream(Convert.FromBase64String(s))));
break;
}
catch (SerializationException exception)
{
System.ServiceModel.DiagnosticUtility.ExceptionUtility.TraceHandledException(exception, TraceEventType.Warning);
}
catch (ProtocolException exception2)
{
System.ServiceModel.DiagnosticUtility.ExceptionUtility.TraceHandledException(exception2, TraceEventType.Warning);
}
}
}
}
return(context != null);
}
public override T GetProperty <T>(BindingContext context) where T : class
{
if (context == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("context");
}
if ((typeof(T) == typeof(ChannelProtectionRequirements)) && (this.ProtectionLevel != System.Net.Security.ProtectionLevel.None))
{
ChannelProtectionRequirements innerProperty = context.GetInnerProperty <ChannelProtectionRequirements>();
if (innerProperty == null)
{
return((T)ContextMessageHeader.GetChannelProtectionRequirements(this.ProtectionLevel));
}
ChannelProtectionRequirements requirements2 = new ChannelProtectionRequirements(innerProperty);
requirements2.Add(ContextMessageHeader.GetChannelProtectionRequirements(this.ProtectionLevel));
return((T)requirements2);
}
if (typeof(T) == typeof(IContextSessionProvider))
{
return((T)this);
}
if (typeof(T) == typeof(IContextBindingElement))
{
return((T)this);
}
if (!(typeof(T) == typeof(ICorrelationDataSource)))
{
return(context.GetInnerProperty <T>());
}
ICorrelationDataSource instanceCorrelationData = this.instanceCorrelationData;
if (instanceCorrelationData == null)
{
instanceCorrelationData = CorrelationDataSourceHelper.Combine(context.GetInnerProperty <ICorrelationDataSource>(), ContextExchangeCorrelationDataDescription.DataSource);
this.instanceCorrelationData = instanceCorrelationData;
}
return((T)instanceCorrelationData);
}
protected override void OnWriteAddressHeaderContents(XmlDictionaryWriter writer)
{
ContextMessageHeader.WriteHeaderContents(writer, this.context);
}
